Preparation method of high-ductility non-ignition super-wear-resistant hardening agent

文档序号:2209 发布日期:2021-09-17 浏览:64次 中文

1. The preparation method of the high-ductility non-ignition super wear-resistant hardening agent is characterized by comprising the following steps of:

1) sequentially taking 90-130 parts of effluent, 10-20 parts of calcium chloride, 100-150 parts of cement and 50-70 parts of silicate ester, putting the mixture into a stirrer, stirring for 0.5-1h, and then stopping stirring, and reserving the materials for later use;

2) adding 10-15 parts of rubber powder, 2-4 parts of water reducing agent and 3-5 parts of PVA fiber into the mixture prepared in the step 1), continuously stirring in a stirrer for 20-40min, and then stopping stirring, and reserving the materials for later use;

3) sequentially taking out 110-140 parts of non-ignited coarse aggregate, 80-120 parts of non-ignited fine aggregate and 40-60 parts of silica powder, putting the materials into a stirrer, stirring for 30-50min, and stopping stirring, and reserving the materials for later use;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

2. The method for preparing a high ductility, non-ignition and super wear-resistant hardener as claimed in claim 1, wherein the rubber powder is selected from one or more of styrene-butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, and the particle size of the rubber powder is not more than 0.25 mm.

3. The method for preparing high ductility non-ignition ultra-wear resistant hardener as claimed in claim 1, wherein the silicate can be one or both of methyl silicate and ethyl silicate.

4. The method for preparing the high-ductility non-ignition ultra-wear-resistant hardener as claimed in claim 1, wherein the PVA fiber is a polyvinyl alcohol fiber or a polypropylene fiber, and the length of the PVA fiber is 5-10 mm.

5. The method of claim 1, wherein the non-pyrophoric coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-pyrophoric fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further comprises loess 1.2%, pumice 1.4% and maifanite 1.6%.

6. The high-ductility non-ignition super wear-resistant hardening agent is characterized by comprising the following raw materials in parts by weight: 25-30 parts of Portland cement, 4-6 parts of expansion component, 30-35 parts of quartz sand, 30-35 parts of aggregate, 4-6 parts of silica fume, 0.5-0.8 part of water reducing agent, 0.2-0.8 part of rubber powder, 1-2 parts of cellulose, 0.2-0.4 part of retarder, 0.2-0.4 part of lithium carbonate, 4-12 parts of defoaming agent, 0.2-0.4 part of wetting agent, 1-1.5 parts of redispersible latex powder, 2-4 parts of brightener, 0.2-0.4 part of water reducing agent and 3-5 parts of toner.

7. The high-ductility non-ignition super wear-resistant hardening agent as claimed in claim 6, which is characterized by comprising the following raw materials in parts by weight: 25 parts of Portland cement, 6 parts of expansion component, 30 parts of quartz sand, 35 parts of aggregate, 4 parts of silica fume, 0.8 part of water reducing agent, 0.2 part of rubber powder, 2 parts of cellulose, 0.2 part of retarder, 0.4 part of lithium carbonate, 4 parts of defoaming agent, 0.4 part of wetting agent, 1 part of redispersible latex powder, 4 parts of brightener, 0.2 part of water reducing agent and 5 parts of toner.

8. The high-ductility non-ignition super wear-resistant hardening agent as claimed in claim 6, which is characterized by comprising the following raw materials in parts by weight: 30 parts of Portland cement, 4 parts of expansion component, 35 parts of quartz sand, 30 parts of aggregate, 6 parts of silica fume, 0.5 part of water reducing agent, 0.8 part of rubber powder, 1 part of cellulose, 0.4 part of retarder, 0.2 part of lithium carbonate, 12 parts of defoaming agent, 0.2 part of wetting agent, 1.5 parts of redispersible latex powder, 2 parts of brightener, 0.4 part of water reducing agent and 3 parts of toner.

9. The high-ductility non-ignition super wear-resistant hardening agent as claimed in claim 6, which is characterized by comprising the following raw materials in parts by weight: 27 parts of portland cement, 5 parts of an expansion component, 34 parts of quartz sand, 33 parts of aggregate, 5 parts of silica fume, 0.6 part of a water reducing agent, 0.5 part of rubber powder, 1.5 parts of cellulose, 0.3 part of a retarder, 0.3 part of lithium carbonate, 8 parts of a defoaming agent, 0.3 part of a wetting agent, 1.2 parts of redispersible latex powder, 3 parts of a brightener, 0.3 part of a water reducing agent and 4 parts of toner.

Background

The hardening agent is also called as curing agent in the resin, plastic, adhesive and paint industries, and can make the polymer molecules generate cross-linking matter, the gold casting liquid state hardening agent is the latest generation permeable hardening agent material, contains specially selected high-activity fluorine titanium matter, is environment-friendly colorless transparent liquid (tasteless, nontoxic and incombustible), and can be permeated into the concrete surface layer by 3mm, and the concrete component can be solidified into a firm compact body, so that the concrete can be permanently hardened, reinforced and sealed.

However, most of the existing hardeners have the problems of large brittleness and poor deformation capability of materials due to low ductility, are easy to bend and crack so as to damage the integrity of the ground, are not beneficial to static conduction so as to influence the non-ignition property of the hardeners, and the preparation method of the high-ductility non-ignition super-wear-resistant hardeners is provided for solving the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a preparation method of a high-ductility non-ignition super-wear-resistant hardening agent, which has the advantages of high ductility non-ignition and the like, and solves the problems that most of the existing hardening agents have high brittleness and poor deformation capability of materials due to low ductility, are easy to bend and crack to damage the integrity of the ground, and are not beneficial to static conduction to influence the non-ignition property of the hardening agent.

(II) technical scheme

In order to achieve the aim of high ductility and no ignition, the invention provides the following technical scheme: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 90-130 parts of effluent, 10-20 parts of calcium chloride, 100-150 parts of cement and 50-70 parts of silicate ester, putting the mixture into a stirrer, stirring for 0.5-1h, and then stopping stirring, and reserving the materials for later use;

2) adding 10-15 parts of rubber powder, 2-4 parts of water reducing agent and 3-5 parts of PVA fiber into the mixture prepared in the step 1), continuously stirring in a stirrer for 20-40min, and then stopping stirring, and reserving the materials for later use;

3) sequentially taking out 110-140 parts of non-ignited coarse aggregate, 80-120 parts of non-ignited fine aggregate and 40-60 parts of silica powder, putting the materials into a stirrer, stirring for 30-50min, and stopping stirring, and reserving the materials for later use;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

Preferably, the rubber powder can be one or more of styrene-butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, and the particle size of the rubber powder is not more than 0.25 mm.

Preferably, the silicate can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate.

Preferably, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm.

Preferably, the non-ignition coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further includes loess 1.2%, pumice 1.4% and medical stone 1.6%.

The invention also provides a high-ductility non-ignition super-wear-resistant hardening agent which comprises the following raw materials in parts by weight: 25-30 parts of Portland cement, 4-6 parts of expansion component, 30-35 parts of quartz sand, 30-35 parts of aggregate, 4-6 parts of silica fume, 0.5-0.8 part of water reducing agent, 0.2-0.8 part of rubber powder, 1-2 parts of cellulose, 0.2-0.4 part of retarder, 0.2-0.4 part of lithium carbonate, 4-12 parts of defoaming agent, 0.2-0.4 part of wetting agent, 1-1.5 parts of redispersible latex powder, 2-4 parts of brightener, 0.2-0.4 part of water reducing agent and 3-5 parts of toner.

Preferably, the feed comprises the following raw materials in parts by weight: 25 parts of Portland cement, 6 parts of expansion component, 30 parts of quartz sand, 35 parts of aggregate, 4 parts of silica fume, 0.8 part of water reducing agent, 0.2 part of rubber powder, 2 parts of cellulose, 0.2 part of retarder, 0.4 part of lithium carbonate, 4 parts of defoaming agent, 0.4 part of wetting agent, 1 part of redispersible latex powder, 4 parts of brightener, 0.2 part of water reducing agent and 5 parts of toner.

Preferably, the feed comprises the following raw materials in parts by weight: 30 parts of Portland cement, 4 parts of expansion component, 35 parts of quartz sand, 30 parts of aggregate, 6 parts of silica fume, 0.5 part of water reducing agent, 0.8 part of rubber powder, 1 part of cellulose, 0.4 part of retarder, 0.2 part of lithium carbonate, 12 parts of defoaming agent, 0.2 part of wetting agent, 1.5 parts of redispersible latex powder, 2 parts of brightener, 0.4 part of water reducing agent and 3 parts of toner.

Preferably, the feed comprises the following raw materials in parts by weight: 27 parts of portland cement, 5 parts of an expansion component, 34 parts of quartz sand, 33 parts of aggregate, 5 parts of silica fume, 0.6 part of a water reducing agent, 0.5 part of rubber powder, 1.5 parts of cellulose, 0.3 part of a retarder, 0.3 part of lithium carbonate, 8 parts of a defoaming agent, 0.3 part of a wetting agent, 1.2 parts of redispersible latex powder, 3 parts of a brightener, 0.3 part of a water reducing agent and 4 parts of toner.

(III) advantageous effects

Compared with the prior art, the invention provides a preparation method of a high-ductility non-ignition super wear-resistant hardening agent, which has the following beneficial effects:

1. according to the preparation method of the high-ductility non-ignition super-wear-resistant hardening agent, a certain amount of PVA fiber is added to ensure the ductility performance of the hardening agent, when the elastic modulus of the PVA fiber is matched with that of the hardening agent, the bridging effect and the capacity absorption capacity of the PVA fiber can be fully exerted, and the ductility performance of the hardening agent is improved.

2. According to the preparation method of the high-ductility non-ignition super-wear-resistant hardening agent, the silica powder, the non-ignition coarse aggregate and the non-ignition fine aggregate are added, so that the wear resistance of the hardening agent is improved, sparks are not easy to generate when the hardening agent is impacted, and potential danger caused by sparks generated when the hardening agent generates mechanical actions such as friction impact or impact and friction with metal or hard objects is avoided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 90 parts of water, 10 parts of calcium chloride, 100 parts of cement and 50 parts of silicate ester, placing the materials into a stirrer, stirring for 0.5-1h, and stopping, wherein the silicate ester can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate;

2) adding 10 parts of rubber powder, 2 parts of water reducing agent and 3 parts of PVA fiber into the mixture prepared in the step 1), continuing stirring in a stirrer for 20-40min, stopping, and reserving the materials for later use, wherein the rubber powder can be one or more of styrene butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, the particle size of the rubber powder is not more than 0.25mm, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm;

3) sequentially taking out 110 parts of non-ignition coarse aggregate, 80 parts of non-ignition fine aggregate and 40 parts of silica powder, putting the non-ignition coarse aggregate, the non-ignition fine aggregate and the silica powder into a stirrer, stirring for 30-50min, and stopping, and reserving the materials for later use, wherein the non-ignition coarse aggregate is a mixture of marble and limestone, the particle size of the non-ignition coarse aggregate is 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand, the particle size of the non-ignition fine aggregate is 0.5-1.5mm, and the silica powder further comprises 1.2% of loess, 1.4% of pumice and 1.6% of medical stone;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

In the embodiment, the high-ductility non-ignition super-wear-resistant hardening agent comprises the following raw materials in parts by weight: 25-30 parts of Portland cement, 4-6 parts of expansion component, 30-35 parts of quartz sand, 30-35 parts of aggregate, 4-6 parts of silica fume, 0.5-0.8 part of water reducing agent, 0.2-0.8 part of rubber powder, 1-2 parts of cellulose, 0.2-0.4 part of retarder, 0.2-0.4 part of lithium carbonate, 4-12 parts of defoaming agent, 0.2-0.4 part of wetting agent, 1-1.5 parts of redispersible latex powder, 2-4 parts of brightener, 0.2-0.4 part of water reducing agent and 3-5 parts of toner.

Example two: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 130 parts of water, 20 parts of calcium chloride, 150 parts of cement and 70 parts of silicate ester, placing the materials into a stirrer, stirring for 0.5-1h, and stopping, wherein the silicate ester can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate;

2) adding 15 parts of rubber powder, 4 parts of water reducing agent and 5 parts of PVA fiber into the mixture prepared in the step 1), continuing stirring in a stirrer for 20-40min, stopping, and reserving the materials for later use, wherein the rubber powder can be one or more of styrene butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, the particle size of the rubber powder is not more than 0.25mm, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm;

3) sequentially taking 140 parts of non-ignition coarse aggregate, 120 parts of non-ignition fine aggregate and 60 parts of silica powder, putting the non-ignition coarse aggregate, the non-ignition fine aggregate and the silica powder into a stirrer, stirring for 30-50min, stopping stirring, and reserving the materials for later use, wherein the non-ignition coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further comprises 1.2% of loess, 1.4% of pumice and 1.6% of medical stone;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

In the embodiment, the high-ductility non-ignition super-wear-resistant hardening agent comprises the following raw materials in parts by weight: 25-30 parts of Portland cement, 4-6 parts of expansion component, 30-35 parts of quartz sand, 30-35 parts of aggregate, 4-6 parts of silica fume, 0.5-0.8 part of water reducing agent, 0.2-0.8 part of rubber powder, 1-2 parts of cellulose, 0.2-0.4 part of retarder, 0.2-0.4 part of lithium carbonate, 4-12 parts of defoaming agent, 0.2-0.4 part of wetting agent, 1-1.5 parts of redispersible latex powder, 2-4 parts of brightener, 0.2-0.4 part of water reducing agent and 3-5 parts of toner.

Example three: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 130 parts of water, 20 parts of calcium chloride, 150 parts of cement and 70 parts of silicate ester, placing the materials into a stirrer, stirring for 0.5-1h, and stopping, wherein the silicate ester can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate;

2) adding 15 parts of rubber powder, 4 parts of water reducing agent and 5 parts of PVA fiber into the mixture prepared in the step 1), continuing stirring in a stirrer for 20-40min, stopping, and reserving the materials for later use, wherein the rubber powder can be one or more of styrene butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, the particle size of the rubber powder is not more than 0.25mm, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm;

3) sequentially taking 140 parts of non-ignition coarse aggregate, 120 parts of non-ignition fine aggregate and 60 parts of silica powder, putting the non-ignition coarse aggregate, the non-ignition fine aggregate and the silica powder into a stirrer, stirring for 30-50min, stopping stirring, and reserving the materials for later use, wherein the non-ignition coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further comprises 1.2% of loess, 1.4% of pumice and 1.6% of medical stone;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

In the embodiment, the high-ductility non-ignition super-wear-resistant hardening agent comprises the following raw materials in parts by weight: 25 parts of Portland cement, 6 parts of expansion component, 30 parts of quartz sand, 35 parts of aggregate, 4 parts of silica fume, 0.8 part of water reducing agent, 0.2 part of rubber powder, 2 parts of cellulose, 0.2 part of retarder, 0.4 part of lithium carbonate, 4 parts of defoaming agent, 0.4 part of wetting agent, 1 part of redispersible latex powder, 4 parts of brightener, 0.2 part of water reducing agent and 5 parts of toner.

Example four: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 130 parts of water, 20 parts of calcium chloride, 150 parts of cement and 70 parts of silicate ester, placing the materials into a stirrer, stirring for 0.5-1h, and stopping, wherein the silicate ester can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate;

2) adding 15 parts of rubber powder, 4 parts of water reducing agent and 5 parts of PVA fiber into the mixture prepared in the step 1), continuing stirring in a stirrer for 20-40min, stopping, and reserving the materials for later use, wherein the rubber powder can be one or more of styrene butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, the particle size of the rubber powder is not more than 0.25mm, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm;

3) sequentially taking 140 parts of non-ignition coarse aggregate, 120 parts of non-ignition fine aggregate and 60 parts of silica powder, putting the non-ignition coarse aggregate, the non-ignition fine aggregate and the silica powder into a stirrer, stirring for 30-50min, stopping stirring, and reserving the materials for later use, wherein the non-ignition coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further comprises 1.2% of loess, 1.4% of pumice and 1.6% of medical stone;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

In the embodiment, the high-ductility non-ignition super-wear-resistant hardening agent comprises the following raw materials in parts by weight: 30 parts of Portland cement, 4 parts of expansion component, 35 parts of quartz sand, 30 parts of aggregate, 6 parts of silica fume, 0.5 part of water reducing agent, 0.8 part of rubber powder, 1 part of cellulose, 0.4 part of retarder, 0.2 part of lithium carbonate, 12 parts of defoaming agent, 0.2 part of wetting agent, 1.5 parts of redispersible latex powder, 2 parts of brightener, 0.4 part of water reducing agent and 3 parts of toner.

Example five: a preparation method of a high-ductility non-ignition super wear-resistant hardening agent comprises the following steps:

1) sequentially taking 130 parts of water, 20 parts of calcium chloride, 150 parts of cement and 70 parts of silicate ester, placing the materials into a stirrer, stirring for 0.5-1h, and stopping, wherein the silicate ester can be one of methyl silicate and ethyl silicate or a prepolymer of the methyl silicate and the ethyl silicate;

2) adding 15 parts of rubber powder, 4 parts of water reducing agent and 5 parts of PVA fiber into the mixture prepared in the step 1), continuing stirring in a stirrer for 20-40min, stopping, and reserving the materials for later use, wherein the rubber powder can be one or more of styrene butadiene rubber, chloroprene rubber, butadiene rubber and natural rubber, the particle size of the rubber powder is not more than 0.25mm, the PVA fiber is polyvinyl alcohol fiber or polypropylene fiber, and the length of the PVA fiber is 5-10 mm;

3) sequentially taking 140 parts of non-ignition coarse aggregate, 120 parts of non-ignition fine aggregate and 60 parts of silica powder, putting the non-ignition coarse aggregate, the non-ignition fine aggregate and the silica powder into a stirrer, stirring for 30-50min, stopping stirring, and reserving the materials for later use, wherein the non-ignition coarse aggregate is a mixture of marble and limestone and has a particle size of 8-12mm, the non-ignition fine aggregate is a mixture of dolomite sand and limestone sand and has a particle size of 0.5-1.5mm, and the silica powder further comprises 1.2% of loess, 1.4% of pumice and 1.6% of medical stone;

4) and (3) putting the mixture obtained in the step 2) and the step 3) into a stirrer, stirring and mixing for 1-1.5h to obtain the high-ductility non-ignition super wear-resistant hardening agent.

In the embodiment, the high-ductility non-ignition super-wear-resistant hardening agent comprises the following raw materials in parts by weight: 27 parts of portland cement, 5 parts of an expansion component, 34 parts of quartz sand, 33 parts of aggregate, 5 parts of silica fume, 0.6 part of a water reducing agent, 0.5 part of rubber powder, 1.5 parts of cellulose, 0.3 part of a retarder, 0.3 part of lithium carbonate, 8 parts of a defoaming agent, 0.3 part of a wetting agent, 1.2 parts of redispersible latex powder, 3 parts of a brightener, 0.3 part of a water reducing agent and 4 parts of toner.

The invention has the beneficial effects that: the preparation method of the high-ductility non-ignition super wear-resistant hardening agent ensures the ductility of the hardening agent by adding a certain amount of PVA fiber, when the elastic modulus of the PVA fiber is matched with the elastic modulus of the hardener, the bridging effect and the capacity absorption capacity of the PVA fiber can be fully exerted, the ductility performance of the hardener is improved, by adding the silica powder, the non-ignited coarse aggregate and the non-ignited fine aggregate, the wear resistance of the hardening agent is improved, and is not easy to generate sparks when being impacted, avoids potential danger caused by sparks generated when the hardening agent generates mechanical actions such as friction impact or impact with metal or hard objects and the like, solves the problem that the prior hardening agent is mostly low in ductility, the materials are very fragile and have poor deformation capability, and are easy to bend and crack so as to damage the integrity of the ground, and the problem that the non-ignitability of the hardening agent is influenced due to the conduction of static electricity is not facilitated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

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